Lewis & Short

dextrorsum or dextrorsus, or uncontracted dextrovorsum (or -ver-sum), adv. [dexter-versus], towards the right side, to the right, Att. ap. Cic. Div. 1, 22, 44: ille sinistrorsum hic dextrorsum abit, Hor. S. 2, 3, 50: dextrorsus pergere, Liv. 6, 31, 5: dextrovorsum, Plaut. Curc. 1, 1, 70; id. Rud. 1, 2, 87; 2, 3, 38: dextroversum separari, Lact. 6, 7 fin.